Joe Kohlman vs. Dereck Rodriguez — Career Comparison

Dereck Rodriguez built a career as a starting pitcher and Joe Kohlman as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Dereck Rodriguez posted stronger surface numbers — ERA 4.49 and WHIP 1.361 compared to 5.27 and 1.500 for Joe Kohlman. By the career numbers, Dereck Rodriguez had the better of this cross-role comparison — though era context would sharpen the verdict.